Does Charging Your Phone While Off Make It Charge Faster

So this video is a bit of a mythbusting episode, I suppose. You see, there are little things in the tech world that we all say to each other and assume are true but I feel like should actually be tested and proved right or wrong. One such thing and what I want to test today is the claim I ve heard over and over that if you turn off your phone while it is charging, it ll charge faster. So I grabbed an Android and an iOS phone (P30 Pro and XS Max to be specific) and charged them both for 15 mins while on and